Home / 20,902,053.26-31,357,117.55-7,947,196.66

Finding the Fourth Proportional to 20,902,053.26, 31,357,117.55 and 7,947,196.66

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Solution

The fourth proportional to 20,902,053.26, 31,357,117.55 and 7,947,196.66 is: 11,922,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902,053.26 : 31,357,117.55 = 7,947,196.66 : x
  2. Step 2: Convert to fraction form
    20,902,053.26/31,357,117.55 = 7,947,196.66/x
  3. Step 3: Cross multiply
    20,902,053.26x = 31,357,117.55 × 7,947,196.66
  4. Step 4: Simplify right side
    20,902,053.26x = 249,201,179,762,326.59
  5. Step 5: Solve for x
    x = 249,201,179,762,326.59/20,902,053.26
  6. Step 6: Final answer
    x = 11,922,330.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.